Question

Evaluate the equation​

Answer 1

15

Explanation:

Answer 2

53

Explanation:

Let x = 1, 2, 3, 4, and add the values.

3 + (1^2 + 2 * 1) + (2^2 + 2 * 2) + (3^2 + 2 * 3) + (4^2 + 2 * 4) =

= 3 + 3 + 8 + 15 + 24

= 53